Bicheno — Water Temperature in April

Water Temperature Range

15°C

minimum

18°C

average

20°C

maximum

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Water Temperature Chart for Month

The chart shows the average daily water temperature for each day of the month based on historical data.

Table of Water Temperatures by Day of the Month for Previous Years

Day	2026	2025	2024	2023
APR 1	-10°C	18°C	19°C	19°C
APR 2	18°C	18°C	18°C	18°C
APR 3	18°C	17°C	17°C	17°C
APR 4	18°C	19°C	19°C	19°C
APR 5	18°C	18°C	18°C	18°C
APR 6	18°C	18°C	18°C	18°C
APR 7	18°C	18°C	18°C	19°C
APR 8	18°C	18°C	18°C	18°C
APR 9	18°C	18°C	18°C	18°C
APR 10	18°C	19°C	19°C	19°C
APR 11	18°C	18°C	18°C	18°C
APR 12	18°C	19°C	19°C	19°C
APR 13	17°C	18°C	18°C	18°C
APR 14	17°C	18°C	18°C	18°C
APR 15	17°C	17°C	17°C	17°C
APR 16	17°C	17°C	17°C	17°C
APR 17	17°C	18°C	18°C	18°C
APR 18	17°C	17°C	17°C	17°C
APR 19	17°C	17°C	17°C	17°C
APR 20	17°C	17°C	17°C	17°C
APR 21	17°C	17°C	17°C	17°C
APR 22	17°C	17°C	17°C	17°C
APR 23	17°C	17°C	17°C	17°C
APR 24	17°C	16°C	16°C	16°C
APR 25	17°C	17°C	17°C	17°C
APR 26	17°C	16°C	16°C	16°C
APR 27	17°C	16°C	16°C	16°C
APR 28	17°C	16°C	16°C	16°C
APR 29	17°C	17°C	17°C	17°C
APR 30	17°C	17°C	17°C	16°C

April: Climate and Swimming Opportunities

Average Night Air Temperature

9°C

Average Day Air Temperature

18°C

Precipitation Amount per Month

56 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

6 hrs

Average Wind Speed

13 km/h

Average Humidity

70%

At such water and air temperatures, swimming often feels chilly and is best for short swims. Getting out can feel cold, so it helps to have dry clothes ready right away.